_STACK SEGMENT STACK            ;8088宏汇编程序
    DW   64 DUP (?)             ;定义堆栈段
_STACK ENDS 
CODE    SEGMENT                 ;定义代码段
ASSUME CS:CODE,SS:_STACK
START: MOV  SI,3500H
       MOV  DI,3600H
       MOV  CX,0008H
A1:    MOV  AX,[SI]
       MOV  [DI],AX
       INC  SI
       INC  SI
       INC  DI
       INC  DI
       DEC  CX
       JNZ  A1
A2:    JMP A2
CODE   ENDS
    END     START